Home / 7,158.36-10,737.38-2,773.28

Finding the Fourth Proportional to 7,158.36, 10,737.38 and 2,773.28

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Solution

The fourth proportional to 7,158.36, 10,737.38 and 2,773.28 is: 4,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.36 : 10,737.38 = 2,773.28 : x
  2. Step 2: Convert to fraction form
    7,158.36/10,737.38 = 2,773.28/x
  3. Step 3: Cross multiply
    7,158.36x = 10,737.38 × 2,773.28
  4. Step 4: Simplify right side
    7,158.36x = 29,777,761.21
  5. Step 5: Solve for x
    x = 29,777,761.21/7,158.36
  6. Step 6: Final answer
    x = 4,159.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.